A Study of College Students Stated That 25% of All

question 46

Multiple Choice

A study of college students stated that 25% of all college students have at least one tattoo. In a random sample of 80 college students, let x be the number of the students that have at least one
Tattoo. Find the mean and standard deviation for this binomial distribution.

• A)Mean = 80, Standard Deviation = 15
• B)Mean = 20, Standard Deviation = 3.87
• C)Mean = 20, Standard Deviation = 15
• D)Mean = 80, Standard Deviation = 3.87

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